Side effect:
Headache, breast tenderness, fatigue, dizziness and menstrual irregularity (minimized by concurrent COCs use) (41). Uncommon side effects were postural hypotension, depression, diarrhea, muscle pain, increased appetite, drowsiness, polydipsia, and palpitations (42). Rare side effects include hyperkalemia, increased in elderly patients and patients with renal impairment or diabetes (43).